tsconfig.json

{
  "compilerOptions": {
    "target": "ES2019",
    "module": "commonjs",
    "strict": true,
    "noUnusedLocals": true,
    "esModuleInterop": true,
    "experimentalDecorators": true,
    "emitDecoratorMetadata": true,
    "resolveJsonModule": true,
    "forceConsistentCasingInFileNames": true,
    "composite": false,
    "sourceMap": true,
    "moduleResolution": "node",
    "removeComments": false,
    "noImplicitAny": true,
    "strictNullChecks": true,
    "strictFunctionTypes": true,
    "strictPropertyInitialization": false,
    "noImplicitThis": true,
    "noUnusedParameters": true,
    "noImplicitReturns": true,
    "noFallthroughCasesInSwitch": true,
    "declaration": true,
    "types": [
      "reflect-metadata"
    ]
  }
}